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Solder Alloy 715 vs. ACI-ASTM CD3MCuN Steel

Solder alloy 715 belongs to the otherwise unclassified metals classification, while ACI-ASTM CD3MCuN steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 715 and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
200
Elongation at Break, % 21
29
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 30
790

Thermal Properties

Latent Heat of Fusion, J/g 61
300
Melting Completion (Liquidus), °C 220
1440
Melting Onset (Solidus), °C 220
1390
Specific Heat Capacity, J/kg-K 220
480
Thermal Conductivity, W/m-K 60
15
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 15
2.5

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 16
3.9
Embodied Energy, MJ/kg 270
54

Common Calculations

Stiffness to Weight: Axial, points 3.8
15
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
28
Strength to Weight: Bending, points 2.9
24
Thermal Diffusivity, mm2/s 37
4.1
Thermal Shock Resistance, points 1.9
22

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26.7
Copper (Cu), % 0.5 to 0.9
1.4 to 1.9
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
58.2 to 65.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
2.9 to 3.8
Nickel (Ni), % 0 to 0.010
5.6 to 6.7
Nitrogen (N), % 0
0.22 to 0.33
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.1
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 97.4 to 98.7
0
Zinc (Zn), % 0 to 0.0010
0